Underwater Diving Flashlight Zeasun 500 Lumen Professional Scuba Flashlights,Snorkeling Flash Light for Scuba Trip and Outdoors Activities AVIATION ALUMINUM ALLOY: The led diving flashlight's head lamp is made of a hard aviation aluminum alloy and casing is made of high-density plastics to make flashlight a nice weight LENS MATERIAL: This underwater flashlight for diving use ultra clear glass lens with anti-reflective coating NO On/Off SWITCH: Controlled by turning the head cap to the left to turn it on and to the right to turn it off,easy to use it underwater HIGH/LOW 2 MODES:High and low beam- twist the head cap to the left to turn it on and change modes of lighting by screwing the head cap PERFECT WARRANTY: We provide 12 months warranty and 2 months hassle-free return policy;Package include:1 x Zeasun T6 Diving Flashlight,1 x Wrist Strap,Powered by 18650 batteries.( Not Included)